Perhaps you would like to compare your code to some open source code
that's out there. I've got a persistent document-based app available
here:
http://bitbucket.org/bgulanowski/branchline/
The app is alpha and moribund, but the Core Data part works fine. It
uses SQLite, not XML, but you could cha
URL is correct and entity is not nil.
On Sep 4, 2009, at 12:55 PM, Brent Gulanowski wrote:
So, all the other objects leading to the fetch execute look OK? Your
context isn't nil? Does your context actually have the right store
coordinator with the right store URL? Does NSEntityDescription return
On Sep 4, 2009, at 10:48 AM, Clayton Leitch wrote:
I re-typed everything in a freshly produced document based
application.
So you created a new Core Data Document based application and put
your code and data model into it, and it's still not working
correctly? I'm utterly mystified.
I re-typed everything in a freshly produced document based
application. Below is the top of the MyDocument.h file.
//
// MyDocument.h
// Blood Pressure Record
//
// Created by Clayton Leitch on 9/3/09.
// Copyright __MyCompanyName__ 2009 . All rights reserved.
//
#import
@interface MyDoc
On Sep 4, 2009, at 10:38 AM, Clayton Leitch wrote:
The debugger shows 0 objects in the array. Interestingly, this same
code works perfectly in a non-NSDocument version of this application.
Wait, when you say it works in a non-NSDocument-based version, it
makes me wonder: did you copy cod
The debugger shows 0 objects in the array. Interestingly, this same
code works perfectly in a non-NSDocument version of this application.
On Sep 4, 2009, at 10:29 AM, I. Savant wrote:
On Sep 4, 2009, at 10:24 AM, Clayton Leitch wrote:
Yes, I saved it as XML and opened the file. Below is wh
On Sep 4, 2009, at 9:47 AM, Clayton Leitch wrote:
fetchedObjects = nil;
...
fetchRequest = [[NSFetchRequest alloc] init];
...
fetchedObjects = [context executeFetchRequest:fetchRequest
error:&error];
...
[fetchRequest release];
One other thing (memory-manageme
On Sep 4, 2009, at 10:24 AM, Clayton Leitch wrote:
Yes, I saved it as XML and opened the file. Below is what I found:
Okay, so since there're definitely some instances in the store, and
nothing is nil in the debugger, the only thing remaining is your
message delivery.
... have you s
Yes, I saved it as XML and opened the file. Below is what I found:
134481920
E968A00D-5333-4E12-909D-8709A682BBB7
124
NSPersistenceFrameworkVersion
246
NSStoreModelV
Taking this back on-list where it belongs.
On Sep 4, 2009, at 9:53 AM, Clayton Leitch wrote:
Yes, there is a Measurement instance in the the data model.
Debugger shows that everything is set properly until the array gets
no objects in answer to the query.
Are you sure? How have you
Are any objects along the way nil?
--Andy
On Sep 4, 2009, at 9:47 AM, Clayton Leitch wrote:
Here is the code in MyDocument:
-(IBAction)calculateStat:(id)sender{
fetchedObjects = nil;
context = [self managedObjectContext];
fetchRequest = [[NSFetchRequest alloc] init];
e
On Sep 4, 2009, at 9:47 AM, Clayton Leitch wrote:
Here is the code in MyDocument:
-(IBAction)calculateStat:(id)sender{
fetchedObjects = nil;
context = [self managedObjectContext];
fetchRequest = [[NSFetchRequest alloc] init];
entity = [NSEntityDescription entityForName:@
Here is the code in MyDocument:
-(IBAction)calculateStat:(id)sender{
fetchedObjects = nil;
context = [self managedObjectContext];
fetchRequest = [[NSFetchRequest alloc] init];
entity = [NSEntityDescription entityForName:@"Measurement"
inManagedObjectContext:context];
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